Mine detail: Gap Lode

Previously called ''

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Location

Lat / long:

43.86524, -103.56

Resource(N)

Primary:	Mica, Feldspar
Ore:	Muscovite, Plagioclase
Gangue:	Quartz
Orebody form:	DIKE

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host type:	Granite
Associated rock:	Harney Peak Granite;Pegmatite
Associated type:	Pegmatite
Alteration processes:	Mica Is Air Stained And Clouded By Inclusions

References

MRDS	D004751
DEP	10010782
Reference	{Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707}{Deposit:: ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18}
Reporter	Barari, Rachel A.